Saucer base plate



FIG. 1 is a perspective top front view of a saucer base plate;

FIG. 2 is a front elevation view of the saucer base plate; the rearelevation view, the right elevation view and the left elevation view aremirror images thereof;

FIG. 3 is a top elevation view of the saucer base plate; and,

FIG. 4 is a bottom elevation view of the saucer base plate.

The broken lines shown in the drawings depict portions of the saucerbase plate that form no part of the claimed design.

CLAIM The ornamental design for a saucer base plate, as shown anddescribed.